Shaft, Shouldered3040-01-383-5308

NSN 3040-01-383-5308 · NIIN 013835308 · Part number 5548073

Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711

Government record, cited

NSN 3040-01-383-5308 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-383-5308. Manufacturer of record part number: 5548073.

Also searched as 3040-01-383-5308 · 3040013835308 · NIIN 013835308 · 01-383-5308 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 5548073

Nearby stock numbers ← 3040-01-383-5305 Piston, Linear Actuating Cylinder · 3040-01-383-5318 Shaft, Straight →

Features

Shaft,shouldered — FSC 3040
Surface Finish: 125.0 MICROINCHES
Step Quantity: 2
First End Diameter: 0.7470 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN
Second End Diameter: 0.8720 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN
Largest Step Diameter: 0.872 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
First End Style: PLAIN
Material Document and Classification: QQ-S-763 CL 304 COND A FED SPEC SINGLE MATERIAL RESPONSE

Identification

NSN: 3040-01-383-5308
NIIN: 013835308
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 5548073
Manufacturer: Naval Sea Systems Command

General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-383-5308, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-383-5308
Primary Part Number	5548073
Item Name	Shaft,shouldered
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Surface Finish	125.0 MICROINCHES
Step Quantity	2
First End Diameter	0.7470 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN
Second End Diameter	0.8720 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN
Largest Step Diameter	0.872 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
First End Style	PLAIN
Material Document and Classification	QQ-S-763 CL 304 COND A FED SPEC SINGLE MATERIAL RESPONSE
End Similarity	NOT IDENTICAL
Second End Style	PLAIN
Material	STEEL CORROSION RESISTING

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
5548073 PRIMARY	Naval Sea Systems Command (USA)

No interchangeability data on file.

Other items in FSC 3040 — Miscellaneous Power Transmission Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3040-00-001-0046

3040-00-001-0046 · Item name not on file

3040-00-001-0047

3040-00-001-0047 · Item name not on file

3040-00-001-0048

3040-00-001-0048 · Item name not on file

3040-00-001-0068

3040-00-001-0068 · Item name not on file

3040-00-001-0077

3040-00-001-0077 · Item name not on file

3040-00-001-0078

3040-00-001-0078 · Item name not on file

3040-00-001-0089

3040-00-001-0089 · Item name not on file

3040-00-001-1224

3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-383-5308?

NSN 3040-01-383-5308 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-383-5308?

NSN 3040-01-383-5308 has 1 manufacturer part number on file: 5548073 (Naval Sea Systems Command).

What are the specifications of 5548073?

Key specifications for 5548073: Surface Finish: 125.0 MICROINCHES; Step Quantity: 2; First End Diameter: 0.7470 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN; Second End Diameter: 0.8720 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-383-5308 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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